• High Power Laser and Particle Beams
  • Vol. 32, Issue 3, 035001 (2020)
Liang Zhou, Ming Zhang, and Chengge Sun
Author Affiliations
  • The 12th Research Institute of China Electronics Technology Group Corporation, Beijing 100015, China
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    DOI: 10.11884/HPLPB202032.190094 Cite this Article
    Liang Zhou, Ming Zhang, Chengge Sun. Preliminary study of laser-triggered pseudospark switch[J]. High Power Laser and Particle Beams, 2020, 32(3): 035001 Copy Citation Text show less
    Typical structure of pseudospark switch
    Fig. 1. Typical structure of pseudospark switch
    Relationship between maximum initial kinetic energy and laser frequency
    Fig. 2. Relationship between maximum initial kinetic energy and laser frequency
    Simulation results of pulse discharge based on laser-triggered pseudospark
    Fig. 3. Simulation results of pulse discharge based on laser-triggered pseudospark
    Negative high voltage test circuit and physical picture
    Fig. 4. Negative high voltage test circuit and physical picture
    Schematic diagram of non-focused mode
    Fig. 5. Schematic diagram of non-focused mode
    Pulse discharge waveform of laser-triggered pseudospark(non-focused;by 266 nm and 532 nm laser beams)
    Fig. 6. Pulse discharge waveform of laser-triggered pseudospark(non-focused;by 266 nm and 532 nm laser beams)
    The pulse discharge waveforms of laser-triggered pseudospark(focused;by 266 nm and 532 nm laser beams)
    Fig. 7. The pulse discharge waveforms of laser-triggered pseudospark(focused;by 266 nm and 532 nm laser beams)
    The schematic diagram of focused mode
    Fig. 8. The schematic diagram of focused mode
    C/μF RLUH/V |Ua|/kV λ/nm E/mJ UR/kV τdelay/ns
    0.1655.4152661512340
    0.1655.4152662212290
    0.1655.4152663012210
    0.1655.4155328312420
    0.1655.41553212012350
    0.1655.41553214012288
    Table 1. Test results of non-focused mode laser triggering energy E
    C/μF RLUH/V |Ua|/kV λ/nm f/cm Emin/mJ UR/kV τdelay/ns
    0.1655.41526630612240
    0.1655.41526630812190
    0.1655.415266301012180
    0.1655.41553240612290
    0.1655.41553240812240
    0.1655.415532401012240
    Table 2. Test results of focusing laser triggering energy E
    UH/V |Ua|/kV λ/nm Eλ/mJ τdelay/ns τjitter/ns
    123456
    5.4152664310310360410460530210
    624026025026024024020
    8190190190190190190<1
    10180180180180180180<1
    53241 9202 2201 7601 1101 2601 7201 110
    629027027030030029030
    8240240240240240240<1
    10240240240240240240<1
    Table 3. Delay time and jitter of focusing laser triggering
    Liang Zhou, Ming Zhang, Chengge Sun. Preliminary study of laser-triggered pseudospark switch[J]. High Power Laser and Particle Beams, 2020, 32(3): 035001
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